When first learning about Six Sigma, it can be a little overwhelming to familiarize yourself with all the different terminology, methodologies, frameworks and acronyms included. From FMEA, C&E Matrix, to Gage R&R, SIPOC, and DMAIC…the list goes on and on!
The acronyms of DMAIC, DMADV, and DFSS can be some of the trickiest to keep straight though since they sound the most similar; however we can help you with that!
DFSS, DMAIC and DMADV are acronyms and abbreviations of methodologies used in conjunction with Six Sigma process improvement. All of these methodologies help quality improvement practitioners keep their projects focused with an established route to follow to completion. Each is comprised of words and phrases that represent a step of their processes and eventually make-up the acronym or abbreviation used throughout the Six Sigma community.
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Starting with DMADV
First off, DFSS stands for “Design For Six Sigma” and it focuses on the idea of creating a new product or process or completely
re-designing a product or process through a Six Sigma project. DMADV is a type of DFSS that is commonly used by many businesses and organizations.
DMADV stands for:
|Define||process and design goals|
|Measure||(and identify) critical-to-quality aspects of your process/product, including risks and production capabilities.|
|Analyze||to develop process designs and evaluate to select the best design for your process.|
|Design||process details, optimize and test your design(s).|
|Verify||the chosen design for your process with pilot-testing. Implement and monitor the new process.|
A Focus on DMAIC
DMAIC is a well-known Six Sigma project methodology that focuses is on improving an existing process rather than creating a new product or process or a complete redesign like DFSS or DMADV. In general, DMAIC methodology can be included as a part of other process improvement initiatives, such as lean, or enacted on its own.
DMAIC stands for:
|Define||the problem with your product or process.|
|Measure||your current process and collect data.|
|Analyze||your data to find the root causes of defects.|
|Improve||your process based upon your data analysis and test it. (Techniques like DOE are often used in this phase.)|
|Control||your new process and monitor for defects. (SPC techniques are helpful in this phase.)|
One of the important components of good project selection is choosing a project most likely to benefit from the DMAIC approach meaning it involves a defect or a process with changes that can be measured accurately because without measurements you will be unable to detect any improvement.
Once you have a project focus, you begin to identify and define the problem to solve. For more information on this journey, visit DMAIC Tools and Techniques: The Define Phase. Whether you are using DMAIC or DMADV, the real benefit of these methodologies is achieved when an approach is completed in full without skipping any steps or phases.
Luckily with Companion by Minitab, it’s easy to select, use and follow through with a variety of Six Sigma and lean methodologies.
Customized roadmaps can be quickly and seamlessly created to include any additional steps needed from your quality team and transform into templates for future projects, saving time and the hassle of recreating the same roadmap again and again.
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